UOP953-97

    Sulfate and Thiosulfate in Caustic Aqueous Solutions by Ion Chromatography

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    1. Scope

    This method is for determining levels of sulfate and thiosulfate in aqueous, spent caustic, process streams by Ion Chromatography (IC). The method yields quantitative results in the range of 0.0045 to 6 mass-% for each analyte.


    Citing ASTM Standards
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